Funzioni di stampa nei 3 principali modi di scorrimento

void STAMPA(nodo *root){
 if(root){
   cout<<root->info<<"(";
   STAMPA(root->left);
   cout<<",";
   STAMPA(root->right);
   cout<<")";
 }else
   cout<<"_";
}

void STAMPA(nodo *root){ if(root){ cout<<root->info<<"("; STAMPA(root->left); cout<<","; STAMPA(root->right); cout<<")"; }else cout<<"_"; }

void infix(nodo *x){
 if(x){
   infix(x->left);
     cout<<x->info;
   infix(x->right);
 }
 }

void infix(nodo *x){ if(x){ infix(x->left); cout<<x->info; infix(x->right); } }

void postfix(nodo *x){
 if(x){
   postfix(x->left);
   postfix(x->right);
   cout<<x->info;
 }
 }

void postfix(nodo *x){ if(x){ postfix(x->left); postfix(x->right); cout<<x->info; } }